👉 In Islamic mathematics, "heemraad" refers to a number that is not divisible by 2 or 3. It is also known as a "divisor of 10." The concept of divisibility in mathematics dates back to ancient times and has been used for centuries to determine whether a number is even or odd. In the context of heemraad, it represents a number that is not divisible by any prime numbers other than 2 and 3.
